Emergency beacon for improved visability in the waterUsed in addition to approved lifejacket lights 2 flashing LED Lights (pair) illuminate the inflated lifejacket bladder to increase visibility and aid location Water activated - waterproof (IP68) Uses the inflated lifejacket bladder as diffuser to increase visibility Attaches and integrates only in lifejackets with separate bladder and cover construction. Sticks directly to underside of inflatable chamber Retail packaged as a pair of lights with stickers